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3 years ago

I rlly need help on this thank uu

Mathematics

1 answer:

Free_Kalibri [48]3 years ago

6 0

Answer:

Step-by-step explanation:

The equation is given by $10x - 4 = ax + b\\(10 - a)x = 4 + b\\x = \frac{ 4 + b}{(10 - a)}$ .

The given equation is a one degree polynomial, hence it has only one solution whatever the value of a and b will be.

If the value of a is 10, then the solution of the equation will be undefined.

Hence, a is any real number rather than 10.

As for example, a = 2 and b = 6.

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An observer at the top of a 532 foot cliff measures the angle of depression from the top of the cliff to a point on the ground t

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Answer:

Distance from the base of the cliff to the point on the ground = 7608 feet

Step-by-step explanation:

Given: Height of the cliff is 532 feet, angle of depression from the top of the cliff to a point on the ground is equal to 4 degrees.

To find: distance from the base of the cliff to the point on the ground

Solution:

In ΔABC,

$\angle ACB=4^{\circ}$ (Alternate interior angles)

For any angle $\theta$ , $\tan \theta =$ side opposite to angle/side adjacent to angle

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Put $AB=532\,,\,\angle C=4^{\circ}$

$\tan 4^{\circ}=\frac{532}{BC}\\\\BC=\frac{532}{\tan 4^{\circ}}\\\\=7607.95\\\\\approx 7608\,\,feet$

Distance from the base of the cliff to the point on the ground = 7608 feet

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